<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
        "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
    <title>Smaple document 3</title>
    <link rel="stylesheet" href="007style3.css">
</head>
<body>
<table id="demo-table">
    <!--表格标题-->
    <caption>Oceans</caption>
    <thead>
        <tr>
            <th></th>
            <th>Area</th>
            <th>Mean depth</th>
        </tr>
        <tr>
            <th></th>
            <th>million km<sup>2</sup></th>
            <th>m</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <th>Arctic</th>
            <td>13,000</td>
            <td>1,200</td>
        </tr>
        <tr>
            <th>Atlantic</th>
            <td>87,000</td>
            <td>3,900</td>
        </tr>
        <tr>
            <th>Pacific</th>
            <td>180,000</td>
            <td>4,000</td>
        </tr>
        <tr>
            <th>Indian</th>
            <td>75,000</td>
            <td>3,900</td>
        </tr>
        <tr>
            <th>Southern</th>
            <td>20,000</td>
            <td>4,500</td>
        </tr>
    </tbody>
    <tfoot>
        <tr>
            <th>Total</th>
            <td>361,000</td>
            <td></td>
        </tr>
        <tr>
            <th>Mean</th>
            <td>72,000</td>
            <td>3,800</td>
        </tr>
    </tfoot>
</table>

</body>
</html>
